[9(n-4)-19]-[3(n-4)+1]=

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Solution for [9(n-4)-19]-[3(n-4)+1]= equation:


Simplifying
[9(n + -4) + -19] + -1[3(n + -4) + 1] = 0

Reorder the terms:
[9(-4 + n) + -19] + -1[3(n + -4) + 1] = 0
[(-4 * 9 + n * 9) + -19] + -1[3(n + -4) + 1] = 0
[(-36 + 9n) + -19] + -1[3(n + -4) + 1] = 0

Reorder the terms:
[-36 + -19 + 9n] + -1[3(n + -4) + 1] = 0

Combine like terms: -36 + -19 = -55
[-55 + 9n] + -1[3(n + -4) + 1] = 0

Remove brackets around [-55 + 9n]
-55 + 9n + -1[3(n + -4) + 1] = 0

Reorder the terms:
-55 + 9n + -1[3(-4 + n) + 1] = 0
-55 + 9n + -1[(-4 * 3 + n * 3) + 1] = 0
-55 + 9n + -1[(-12 + 3n) + 1] = 0

Reorder the terms:
-55 + 9n + -1[-12 + 1 + 3n] = 0

Combine like terms: -12 + 1 = -11
-55 + 9n + -1[-11 + 3n] = 0
-55 + 9n + [-11 * -1 + 3n * -1] = 0
-55 + 9n + [11 + -3n] = 0

Reorder the terms:
-55 + 11 + 9n + -3n = 0

Combine like terms: -55 + 11 = -44
-44 + 9n + -3n = 0

Combine like terms: 9n + -3n = 6n
-44 + 6n = 0

Solving
-44 + 6n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '44' to each side of the equation.
-44 + 44 + 6n = 0 + 44

Combine like terms: -44 + 44 = 0
0 + 6n = 0 + 44
6n = 0 + 44

Combine like terms: 0 + 44 = 44
6n = 44

Divide each side by '6'.
n = 7.333333333

Simplifying
n = 7.333333333

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